Updated to R7 to support iOS 6
iREB for Mac OS X Released
iREB 3.1.3/4.0.x/4.1/4.2.1/4.3/4.3.1/4.3.2/4.3.3/4.3.4/4.3.5/5.0/5.0.1/5.1.1/6/6.0.1/6.1/6.1.1/6.1.2 R6 is a tool for Windows that will put your device into a pwned state so that you can upload custom firmware to it. iH8sn0w has just released iREB r7, to fix iTunes 1600, 1601, 1602, 1603, 1604 error when you use custom firmware. its support all new & old devices.